Somebody who whore's they're way through they're ex girlfriend or boyfriends close friends in an attempt to do 3 things.
i. Boost their own ego.
ii. Get revenge on they're partner.
iii. Make themselves feel wanted.

This can also include passionately kissing they're ex boyfriend or girlfriends, close friends, this will usuallys be under the influence of alcohol.

pronounced - TOM-BAIT

2Dude, that guy is a total tom-bate!"

"Stay away from him I've heard he fucks up friendships, what a tom-bate."